I employ a similar philosophy if obversely applied. That is, using price as a filter to avoid risky situations / people. This has served me pretty well for purposes of non-pornstar escort selection.
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I do both because, bills ...aaand I like to sleep in.
There is no denying that having a good porn scene out is helpful to working in any "sister" industry, like web cam, escort, pro domme, phone sex, etc. Some models even use stills from from scenes for escort ads. But calling porn an ad for escort seems wrong, as it is its own revenue stream and skill set.